Question

Write an equation to show how the oxide ion reacts with one type of ion in hydrochloric acid to form water.

Answer 1

Explanation:

Na2O+ 2HCl------->2NaCl+ H2O

As a strong base, sodium oxide also reacts with acids. For example, it reacts with dilute hydrochloric acid to produce sodium chloride solution or water

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Answer 2

That's a very good question.

And surely the answer is:-

Metallic oxide + Hydrochloric acid yields Metallic chloride and water.

For example,

$MgO+2HCl ---> MgCl_2+2H_2O$

And my friend, hope you have learnt something from this answer.